IndividualActive
Mary Heiss, MED
NPI 1821236746 · School Counselor · Williams, AZ
Mary Heiss, MED is a School Counselor provider in Williams, AZ (NPI 1821236746).
Provider details
- NPI number
- 1821236746
- Entity type
- Individual
- Primary specialty
- School CounselorBehavioral Health & Social Service Providers
- Credential
- MED
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(80/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
440 S 7th St
Williams, AZ 86046-2327
Phone: (928) 635-4474
Fax: (928) 635-2796
Street-level locationGet directions
Mailing address
440 S 7th St
Williams, AZ 86046-2327
Registry dates
- Enumerated
- 2009-01-30
- Last updated
- 2009-01-30
Frequently asked questions
- What is Mary Heiss's NPI number?
- Mary Heiss's National Provider Identifier (NPI) is 1821236746, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Heiss's specialty?
- Mary Heiss is listed in the NPPES registry with a primary specialty of School Counselor (Behavioral Health & Social Service Providers).
- Where is Mary Heiss located?
- Mary Heiss's practice location on file with NPPES is 440 S 7th St, Williams, AZ 86046-2327.
- What is Mary Heiss's phone number?
- The practice phone number listed in the NPPES registry for Mary Heiss is (928) 635-4474.
- Is Mary Heiss's NPI active?
- Yes — Mary Heiss's NPI (1821236746) is active in the NPPES registry as of the last update on 2009-01-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.